Safe and secure
Document Storage Boxes
From sturdy cardboard document storage boxes to useful data protection pouches, we make sure that your documents are safe and secu(...)
From sturdy cardboard document storage boxes to useful data protection pouches, we make sure that your documents are safe and secure during every stage of the storage process. At Flexible Storage, we make the safety of your documents our highest priority. That’s why we use robust file storage boxes to ensure your documents are fully protected at all stages of the archive storage process.

Why choose us?
- Free Initial Box Collection
- Fireproof Storage
- Document indexing, tracking & retrieval
- Storage to destruction service
- Fully compliant with GDPR
- ISO 9001 & ISO 27001 Certified



Sturdy Document Storage Boxes
Our file storage boxes are durable, easy to construct and have convenient handles that make them easy to transport and ideal for archiving. Strong and stackable, our cardboard storage boxes have plenty of room for listing contents, box number and our barcode labels.
For added confidentiality, our Data Protection Pouches are designed for those files that require additional security. The mailing bags ensure no information is visible other than the window for our tracking label.

Archival Storage Boxes
Whether you are a current archive storage customer needing extra archival boxes or a new customer looking for high quality cardboard file storage boxes for your office, we are here to help.
All of our fit-for-purpose archival storage boxes come with FREE DELIVERY within London and the Home Counties.
They are strong, stackable and have plenty of room for listing contents, box number and our barcode labels.
Types of File Storage Boxes & Pouch

Standard Document & Archive Flatpack Box (£2.45 + VAT)
Internal Dimensions 390 x 310 x 266mm. Packs of 25. Sturdy and easy to assemble. One-piece cardboard document archive box with integral lid. Ideal for loose files & documents.

Extra Strong Document & Archive Flatpack Box (£2.75 + VAT)
Internal Dimensions 398 x 310 x 246mm. Packs of 20. Heavy-duty, robust and easy to assemble. One-piece cardboard document archive box with integral lid. Ideal for loose documents and heavier files.

Large Document & Archive Flatpack Box (£3.50 + VAT)
Internal Dimensions 460 x 390 x 266mm. Packs of 20. Heavy-duty, spacious and easy to assemble. An ideal cardboard document storage box for lever arch folders.

Data Protection Pouch (£65.00 + VAT)
Dimensions 400 x 330mm. Packs of 500. Permanent self-seal with barcode reading window. Ideal for sensitive documents.

Get In Touch
Of course, customers are more than welcome to use their own storage boxes but our high quality archival boxes are always there if you need them.
To order your storage boxes and pouches please contact us here or call us free on 0800 652 1117.
Request a quoteREQUEST A QUOTE
We aim to be in touch within 24 hours